Thread: Sub 3.5mm eyepiece for planetary/lunar
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  #11  
Old 04-10-2020, 05:00 PM
N1 (Mirko)
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Join Date: Oct 2013
Location: Dunners Nu Zulland
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Probably not as far as image quality (though not far off), but the ES extenders are said to behave like a Powermate in that they don't alter the eye relief of the EP like a barlow does.
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